681469001 has 8 divisors (see below), whose sum is σ = 734037504. Its totient is φ = 630812160.

The previous prime is 681468973. The next prime is 681469013. The reversal of 681469001 is 100964186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 681469001 - 2⁶ = 681468937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681469081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477176 + ... + 478601.

It is an arithmetic number, because the mean of its divisors is an integer number (91754688).

Almost surely, 2^681469001 is an apocalyptic number.

It is an amenable number.

681469001 is a deficient number, since it is larger than the sum of its proper divisors (52568503).

681469001 is a wasteful number, since it uses less digits than its factorization.

681469001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955831.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 681469001 is about 26104.9612334514. The cubic root of 681469001 is about 879.9987091062.

The spelling of 681469001 in words is "six hundred eighty-one million, four hundred sixty-nine thousand, one".